User Guide

RM-37 Company confidential
7-System Module and User Interface CCS Technical Documentation
Page 2 ©Nokia Corporation. Issue 1 04/2004
Table of Contents
Page No
Glossary of Terms ..........................................................................................................5
Introduction ....................................................................................................................8
Electrical Modules .......................................................................................................8
Interconnection Diagram .............................................................................................8
Temperature Conditions ..............................................................................................9
Humidity ......................................................................................................................9
System Module : Baseband ..........................................................................................10
Baseband Module, technical summary ......................................................................10
Technical Summary ...................................................................................................11
Environmental Specifications ....................................................................................11
Temperature Conditions ..........................................................................................11
Humidity and Water Resistance ..............................................................................12
Baseband Technical Specifications ...........................................................................13
Absolute Maximum Ratings ....................................................................................13
DC Characteristics ...................................................................................................13
Power Distribution diagram ....................................................................................15
Baseband External and Internal Signals and Connections ........................................16
Camera interface .....................................................................................................17
Integrated HF Speaker .............................................................................................18
FM Radio Interface .................................................................................................18
Internal Speaker .......................................................................................................19
Integrated HF Speaker .............................................................................................19
External Signals and Connections .............................................................................23
Keyboard (board-to-board) Connector ....................................................................23
LCD Connector (Board to Board) ...........................................................................24
DC Connector ..........................................................................................................25
Bottom Connector ...................................................................................................25
SIM connector .........................................................................................................26
Internal Signals and Connections ............................................................................27
Baseband Functional Description ................................................................................28
Modes of Operation ...................................................................................................28
No Supply ................................................................................................................28
Back-up ...................................................................................................................28
Acting Dead .............................................................................................................28
Active ......................................................................................................................28
Sleep Mode ..............................................................................................................29
Charging ..................................................................................................................29
Battery .....................................................................................................................29
Power Up and Reset ...................................................................................................30
Power Up with PWR key ........................................................................................31
Power Up when Charger is connected ....................................................................31
Power Up when Battery is connected .....................................................................31
RTC Alarm Power Up .............................................................................................32
A/D Channels .............................................................................................................32
FM Radio ...................................................................................................................33
IR Module ...............................................................................................................33
SIM Interface ...........................................................................................................33